Evelyn M. Brosnan, MD

Medicare activity in 2024

Official CMS public-use data for Evelyn M. Brosnan, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)240 services
2. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)179 services
3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)64 services
4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)26 services
5. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)19 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
• High blood pressure71%
• High cholesterol56%
• Depression32%
• Arthritis31%
• COPD31%

Hospitals where Evelyn M. Brosnan works

Medicare's Facility Affiliation Data lists Evelyn M. Brosnan at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• Adventist Health TillamookTillamook, OR · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 381317
• Columbia Memorial HospitalAstoria, OR · Critical Access Hospital · Emergency services: listed by Medicare · CCN 381320
• Providence Portland Medical CenterPortland, OR · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 380061
• Providence Seaside HospitalSeaside, OR · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 381303
• Providence St Vincent Medical CenterPortland, OR · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 380004

Practice locations

Addresses where Evelyn M. Brosnan is enrolled with Medicare (CMS data updated October 2, 2026).

• 3600 N Interstate AvePortland, OR 97227 (800) 813‑2000
• 4805 NE Glisan StPortland, OR 97213 (503) 215‑1111

Group practices

Medicare enrollment lists Evelyn M. Brosnan as a member of these groups (CMS data updated October 2, 2026).

• Kaiser Foundation Health Plan of the Northwest1,807 clinicians in the group
• Providence Health and Services - Oregon191 clinicians in the group

Specialties

• Hematology/Oncologyprimary

Find other Hematology/Oncology doctors in Oregon →

Other hematologist-oncologists in Portland

Clinicians with the same Medicare primary specialty in Portland, OR — not a recommendation.

• Megan T. Zinsky, MD
• Arpita P. Gandhi, MD
• Frederick S. Ey, MD
• Jessica Leonard, MD
• Patan Gultawatvichai, MD
• Trisha E. Wong, MD
• Onyekachi Ogbonna, MD
• Emily M. Lin, MD

All hematologist-oncologists in Portland →

Other clinicians in Kaiser Foundation Health Plan of the Northwest

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Eric S. Komar, PA
• Amanda G. Fobare, MD
• Dannielle C. Woodruff, DO
• Ethan A. Berry, CNA
• Kashif I. Sherwani, MD
• James R. Joyner, MD

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians